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1-Cisco Answers of CCNA Explorations, Chapter1

1. Which of the following descriptions are true regarding the management connections
on a Cisco router? (Choose three.)
- They are non-network connections.
- They are used to connect the router to the rest of the production network.
- They are synchronous serial ports.
- They are used for initial router configuration.
- They are asynchronous serial ports.
- They are accessed using their assigned IP address.


2. The console port can be used for which of the following? (Choose three.)
- debugging.
- password recovery.
- routing data between networks.
- troubleshooting.
- connecting one router to another.

3. Which of the following describes the function of a WAN?
- connects peripherals in a single location.
- connects multiple networks in a single building.
- provides connectivity on a LAN.
- provides connectivity over a large geographic area.

4. An internetwork must include which of the following? (Choose three.)
- switching.
- static addressing.
- IETF standardization.
- dynamic or static routing.
- consistent end-to-end addressing.

5. ABC Company just purchased three new routers to start their company network. Which items are needed to establish a terminal session between a PC and the router for the initial configuration? (Choose three.)
- straight-through cable.
- terminal emulation software.
- rollover cable.
- RJ-45 to DB-9 connector.
- V.35 cable.

6. Terminal emulation software, such as HyperTerminal, can be used to configure a router. Which of the following HyperTerminal options shown in the graphic are correctly set to allow configuration of a Cisco router? (Choose three.)
- bits per second.
- data bits.
- parity.
- stop bits.
- flow control.

7. Which of the following devices are used in the construction of a WAN? (Choose three.)
- hubs.
- routers.
- communication servers.
- transceivers.
- modems.
- multi-port repeaters.

8. Which of the following are functions of RAM? (Choose three.)
- contains startup configuration file.
- stores routing table.
- holds fast switching cache.
- retains contents when power is removed.

9. Why is a console connection to a router or switch preferred when troubleshooting? (Choose two.)
- can be accessed remotely.
- does not depend on network services.
- displays startup and error messages by default.
- does not require special components.

10. Which basic components do a router and a standard desktop PC have in common? (Choose three.)
- CPU.
- hard drive.
- input/output interfaces.
- keyboard.
- monitor.
- system bus.

11. During the initial configuration of a 2600 series Cisco router, which cable is required for connecting a PC to the console port?
- twisted.
- crossover.
- rollover.
- straight.

12. A router is composed of many internal components. Which of the following components stores a copy of the router’s configuration file?
- metal-oxide memory.
- read only memory.
- flash memory.
- non-volatile random access memory.

13. What contains the instructions that a router uses to control the flow of traffic through its interfaces?
- p acket configuration.
- configuration files.
- flash memory.
- internal components.

14. Several Ethernet hosts on a LAN need the gateway services of a Cisco 2500 series router. Which of the following would be needed to physically connect a router to all of the hosts on the LAN? (Choose two.)
- a crossover cable between the transceiver on a router and a switch.
- a crossover cables between a switch and hosts on a LAN.
- a straight-through cable between the auxiliary port on a router and a switch.
- a rollover cable between the console port on a router and a switch.
- straight-through cables between a switch and hosts on a LAN.
- a straight-through cable between the transceiver on a router and a switch.

15. Which router component holds the configuration file when power is lost?
- volatile random access memory.
- read only memory.
- non-volatile random access memory.
- flash memory.

16. Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
- physical layer.
- application layer.
- transport layer.
- data link layer.
- session layer.

17. Which of the following are true regarding router interfaces? (Choose three.)
- provide temporary memory for the router configuration files.
- connect the router to the network for packet entry and exit.
- can be on the motherboard or a separate module.
- hold the IOS image.
- connect the router to LANs and WANs.

18. Which of the following tasks can be accomplished through a management connection on a router? (Choose three.)
- troubleshooting problems.
- monitoring the system.
- capturing LAN data packets.
- configuring the router.
- routing data packets.

19. What do routers use to select the best path for outgoing data packets?
- ARP tables.
- bridging tables.
- routing tables.
- switching tables.

20. Which of the following are functions of NVRAM? (Choose two.)
- stores the routing table.
- retains contents when power is removed.
- stores the startup configuration file.
- contains the running configuration file.
- stores the ARP table.

21. Select the statements that correctly describe flash memory in a 2600 series router? (Choose two.)
- holds the startup configuration by default.
- can be upgraded with single in-line memory modules.
- stores Cisco IOS software images.
- stores routing table information by default.
- maintains the only copy of an IOS image after the router is booted.